Antenna



FIG. 1 is a front elevation view of an antenna, the rear elevation view of which is identical;

FIG. 2 is a right side elevation view thereof, the left side elevation view of which is identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top perspective view thereof. 

CLAIM The ornamental design for an antenna, as shown and described. 